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| author | Tanya Lattner <tonic@nondot.org> | 2008-01-21 20:47:24 +0000 |
|---|---|---|
| committer | Tanya Lattner <tonic@nondot.org> | 2008-01-21 20:47:24 +0000 |
| commit | 923aaa078a8f150df3ac27a9ea94ed5d8ea2c42f (patch) | |
| tree | 7c8008024ea94fa10807e8a9669a3a962d06e638 | |
| parent | 6bd6920799c7215b51795e5a873b69ab02d732ae (diff) | |
Merge from mainline.
Need to handle any 'nest' parameter before integer
parameters, since otherwise it won't be passed in
the right register. With this change trampolines
work on x86-64 (thanks to Luke Guest for providing
access to an x86-64 box).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_22@46215 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/X86/X86CallingConv.td | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/lib/Target/X86/X86CallingConv.td b/lib/Target/X86/X86CallingConv.td index 24a50de829..1bfd021b36 100644 --- a/lib/Target/X86/X86CallingConv.td +++ b/lib/Target/X86/X86CallingConv.td @@ -101,7 +101,10 @@ def CC_X86_64_C : CallingConv<[ // Promote i8/i16 arguments to i32. CCIfType<[i8, i16], CCPromoteToType<i32>>, - + + // The 'nest' parameter, if any, is passed in R10. + CCIfNest<CCAssignToReg<[R10]>>, + // The first 6 integer arguments are passed in integer registers. CCIfType<[i32], CCAssignToReg<[EDI, ESI, EDX, ECX, R8D, R9D]>>, CCIfType<[i64], CCAssignToReg<[RDI, RSI, RDX, RCX, R8 , R9 ]>>, @@ -114,9 +117,6 @@ def CC_X86_64_C : CallingConv<[ CCIfType<[v8i8, v4i16, v2i32, v1i64], CCAssignToReg<[RDI, RSI, RDX, RCX, R8 , R9 ]>>, - // The 'nest' parameter, if any, is passed in R10. - CCIfNest<CCAssignToReg<[R10]>>, - // Integer/FP values get stored in stack slots that are 8 bytes in size and // 8-byte aligned if there are no more registers to hold them. CCIfType<[i32, i64, f32, f64], CCAssignToStack<8, 8>>, @@ -140,7 +140,10 @@ def CC_X86_64_TailCall : CallingConv<[ // Promote i8/i16 arguments to i32. CCIfType<[i8, i16], CCPromoteToType<i32>>, - + + // The 'nest' parameter, if any, is passed in R10. + CCIfNest<CCAssignToReg<[R10]>>, + // The first 6 integer arguments are passed in integer registers. CCIfType<[i32], CCAssignToReg<[EDI, ESI, EDX, ECX, R8D]>>, CCIfType<[i64], CCAssignToReg<[RDI, RSI, RDX, RCX, R8]>>, @@ -153,9 +156,6 @@ def CC_X86_64_TailCall : CallingConv<[ CCIfType<[v8i8, v4i16, v2i32, v1i64], CCAssignToReg<[RDI, RSI, RDX, RCX, R8]>>, - // The 'nest' parameter, if any, is passed in R10. - CCIfNest<CCAssignToReg<[R10]>>, - // Integer/FP values get stored in stack slots that are 8 bytes in size and // 8-byte aligned if there are no more registers to hold them. CCIfType<[i32, i64, f32, f64], CCAssignToStack<8, 8>>, |